Liquid-fuel burner.



0, A. SWARTZ & s. PINL'E Y LIQUID FUEL BURNER APPLICATION FILED PEB.16,1910. I

w Patented Oct. 25,1911).

a anus-sum 1.

I a I 0. A.- swART'z' & s. FINLEY. f LIQUID FUEL BURNER. APPLICATIONFILED FEB. 15, 191.0.

" 973,995. vPatentedOct,25,1910.

v if- CHARLES A. SWARTZ AND SAM FINLEY, OF FREDERICK, OKLAHOMA.

LIQUID-FUEL BURNER.

Specification of Letters IPatcnt.

Patented Oct. 25, 1910.

Application filed February 15, 1910. Serial No. 543,926.

To all whom it may concern:

Be it known that we, CHARLES A. SWARTZ and SAM FINLEY, citizens of theUnited States, residing at Frederick, in the county of Tillman and Stateof Oklahoma, have invented a new and useful Liquid-Fuel Burner, of whichthe following is a specification. I

This invention relates to liquid fue burners designed for attachment toheating and cooking stoves, and especially adapted for using crude oils.

It is the object of the invention to provide a novel form of burner inwhich a more thorough vaporization of the oil is effected, and also toprovide for an abundant supply of air.

The invention also has for its object to provide the vaporizer with alining which can be removed and replaced on becoming filled withsediment.

Other objects and advantages of the invention will be apparent from thedescription appearing hereinafter, and in order that the invention maybe better understood, reference is had to the accompanying drawings, inwhich Figure 1 is an elevation of the burner,

partly in section. Fig. 2 is a section on line 22 of Fig. 1. Fig. 3 isan elevation, partly in section of a slightly modified form of burner.Fig. 4 is a plan view of the distributing and spacing device to behereinafter described. Fig. 5 is a sectional view of another modifiedform of burner, having a slightly different arrangement of air supplypipes.

The burner which is the subject of the present invention belongs to thatclass characterized by a closed chamber in which the oil is vaporized.The vaporizing chamber comprises upper and lower portions 5 and 6respectively, each of which is in the shape of a truncated cone, thelower cone being inverted so that its base or widest part will comeopposite the base of the upper cone. At the bases of the two cones areoutstanding flanges 7. They are also spaced apart slightly by a narrowbar 7 fitted between the opposite ends of the cones. The spacing bar hasa central perforated portion 7* the function of which will be presentlymade clear so as to form an outlet 8 for the vapor. The cones are formedwith outstanding ears 8*, the ears of one cone being in alinement withthe ears of the other cone and provided with registering openings toreceive bolts 9 fastened by wing nuts 10, whereby the two portions ofthe vaporizing chamber are separately connected.

The bottom of the lower portion 6 of the vaporizing chamber is raised toform a spreader cone 11 on the inside of this portion of the chamber,and the latter is also provided with a lining 12 which is made removablein order that it may be replaced when it becomes filled with sediment orburns out. Inasmuch as the two portions of the. vaporizing chamber areseparably connected, they can be readily disconnected when the lining isto be removed. Fig. 1 of the drawing shows two vaporizmg chambersconstructed as herein described, but it will be understood that theirnumber is immaterial and may be varied according to the size of'the firedesired.

To each vaporizing chamber is connected an oil supply pipe, these twopipes being indicated at 13 and 14, respectively. The 011 pipes enter atthe center of the upper portion of the chambers so as to discharge onthe perforated central portion 7 of the spacing bar, from which it dropson the apex of the spreader 11. Air is supplied to the burner through apipe 15 through which the oil pipes 13 and 14 pass. The air pipe has apartition 16 to form two separate air passages for supplying therespective burners. One of the oil pipes extends through one of thesepassages, and the. other oil pipe extends through the other passage.Each air passage leads -to a downwardly extending outlet portion 17terminating a short distance from the top of the upper portion of therespective vaporizing chambers. The oil pipes are spaced from the innerwalls of the air passages so that the air may flow therethrough. The airpipe 15 is mounted in an opening made in one of the walls 18 of thestove to which the burneris applied, and it extends into the stove so asto prop erly position the burners in the fire pot thereof. The outer orinlet end of the air pipe is provided with dampers for regulating theair supply. These dampers are four similar plates 19 slidably mountedover the inlet end of the air pipe in guides 20 secured to the wall 18.Two plates are provided for each air passage, said plates sliding inopposite directions, and having their opposite edges recessed asindicated at 21 to clear the oil pipe when closed.

Beneath the lower portion (3 of the vaporizing chamber is mounted anopen pan or tray 22 which is provided for initially heating thevaporizing chamber as will be presently described. The pan is spaced ashort distance from the bottom of the vaporizing chamber, and issupported thereon by depending hangers 23.

I11 operation, a fire is made in the pan 22 to initially heat thevaporizing chamber. After this chamber is heated, the oil is turned on,and allowed to run into the same,

it dropping on the perforated portion 7 of the spacing bar whichscatters it and allows it todrop on the raised bottom 11 the oil be ingthus spread through the casing. The oil on coming in contact with thehot surface of the casing is at once vaporized and the vapor issues fromthe chamber through the outlet 8 and is ignited from the pan 22. The airis fed downwardly toward the vaporizing chamber and spreads the flame inall directions, so that perfect combustion is had. After the burner hasstarted, the vaporizing chamber is kept hot by the burning vapor.

In Fig. 3 a slightly modified form of burner is shown. The vaporizingchamber is constructed as the vaporizing chamber already described, butis also entered by an air supply pipe 24. By this arrangement, air ismixed with the vapor in the chamber and the mixture escapes through theoutlet 8, and is burned as before. An air supply pipe similar to the onealready described is provided for delivering air to the outside of theburner from above, the air pipe to the vaporizing chamber passingtherethrough, and the oil pipe passing through the air pipe 24. In themodified structure two burners are also shown, and the main air pipe 25is divided by a partition 26 in the same manner and for the same purposeas the air pipe 15.

In the modification shown in Fig. 5, an air supply pipe 25 supports thevaporizing chamber, a tube 26 rising from the top of said chamber, andextending into the pipe 25, to which pipe it is secured by set screws 27passing through the pipe, and screwing against the tube. An oil supplypipe 28 passes from the pipe 25 into the tube 26, and extends throughthe latter so as to discharge into the vaporizing chamber. Both ends ofthe tube 26 are open, so that air is delivered into the vaporizingchamber by said tube. The pipe 25 discharges on the outside of thevaporizing chamber, a short distance above the same, as in the otherforms of burners hereinbefore described.

\Vhat is claimed is 1. In a liquid fuel burner, a closed chamber havinga vapor outlet, and a raised bottom to form a spreader on the inside ofthe chamber, a perforated bar extending across the chamber above theraised bottom, and a fuel supply pipe entering the chamber, anddischarging on the perforated bar.

2. In a liquid fuel burner, a vaporizing chamber comprising upper andlower portions, a bar extending between said upper and lower portionsand spacing the same apart to provide a vapor outlet, the lower portionof the vaporizing chamber having a raised bottom to form a spreader, andthe aforesaid bar being perforated and located above said raised bottom,and a fuel supply pipe entering the chamber through the upper portionthereof, and discharging on the perforated bar In testimony that weclaim the foregoing as our own, we have hereto afiixed our signatures inthe presence of two witnesses.

CHARLES A. SIVARTZ. SAM. FINLEY.

Witnesses V. L. COUGHLIN, W. D. Moons.

